Idea of Reply All Arrow Icon
The image is a double arrow that's pointing to the left. One arrow covers most of the other one. The points of the arrows are straight to the left but the tail curves up from below then turns to the left.
This is the Reply All Arrow icon for Windows 10
. Here we go. Optimized for 32x32 px, these are the simplest icons in the line style. Downloadable formats are PNG and SVG, among others. Icons8 icon pack is unique in providing a huge number of icons designed by the same team of four designers who create the new icons every working day in the same style and with the same quality. Same cool as the Bat Face, huh.